package week2;

public class CircleArea {
    public static void main(String[]args){
        final double PI=3.14;
        double[] radii={1.2,2.5,6};
        for(double r:radii){
            double area=PI*r*r;
            System.out.println("半径为"+r+"的圆的面积："+area);
        }
    }
}
